Reconnaissance survey for determining feasibility and estimation of scheme falls under the classification based on the
Anonymous Quiz
54%
(a) Nature of the field of survey
31%
(b) Object of surveying
8%
(c) Instruments used
7%
(d) Method employed
👌4
The least count of a vernier scale is
Anonymous Quiz
15%
(a) Sum of the smallest divisions of main and vernier scales
46%
(b)Value of one division of primary scale divided by total number of divisions of the vernier scale
36%
(c) Value of one division of vernier scale divided by the total number of divisions of primary scale
3%
(d) Value of one division of vernier scale
The representative fraction 1/5000 means that the scale is
Anonymous Quiz
7%
(a) 1 cm = 0.50 metre
22%
(b) 1 cm = 5.0 metre
68%
(c) 1 cm = 50 metre
3%
(d) 1 cm = 500 metre
A map mentions the scale 1 cm:1 km The scale is in the ratio:
Anonymous Quiz
17%
(a) 1:10^3
16%
(b) 1:10 ^4
57%
(c) 1:10^5
9%
(d) 1: 10^6
The percentage of fresh water available in India compared to world.
Anonymous Quiz
9%
(a) 16
69%
(b) 4
12%
(c) 10
10%
(d) 1
The flow in the major rivers of India is monitored by:
Anonymous Quiz
26%
(a) CWC
27%
(b) NBSS & LUP
28%
(c) CGWB
19%
(d) IMD
👍1
A rainfall is considered acid rain if the pH of rainwater is
Anonymous Quiz
31%
(a) less that 7.0
43%
(b) less than 5.6
19%
(c) less that 4.5
6%
(d) less than 3.0
👍2
An isochrones is a line of the basin map
Anonymous Quiz
12%
(a) joining rain gauge stations having equal rainfall duration
34%
(b) joining points having equal rainfall depth in a given time interval
51%
(c) joining points having equal time of travel of surface runoff to the catchments outlet
3%
(d) joining points which are at equal distance from the catchments outlet
Which of the following air pollutants causes irritation of the eye?
Anonymous Quiz
26%
(a) Photo-chemical oxidants
14%
(b) ozone
35%
(c) carbon monoxide
25%
(d) sulphur oxides
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PYQs_Surveying For Class 3.pdf
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🛑Exam Date out for Advt No. 215. Planning Assistant & Advt No. 213Surveyor
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🛑Exam Date out for Advt No. 215. Planning Assistant & Advt No. 213 Surveyor
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The most accurate method of finding the average depth of rainfall over an area is-
Anonymous Quiz
52%
(a) Isohyetal method
12%
(b) Arithmetic mean method
18%
(c) Thiessen polygon method
17%
(d) All of these
👍3
Orographic precipitation occurs due to air masses lifted to higher altitudes by
Anonymous Quiz
19%
(a) The density differences of air masses
13%
(b) A frontal action
65%
(c) The presence of mountain barriers
3%
(d) Extra tropical cyclones
👍3👌1
In an area, if storms appear in every 10 years and the duration of each storm is 361 min, then the intensity of rainfall (mm/h) will be approximately given by
Anonymous Quiz
13%
(a) 15
44%
(b) 20
30%
(c) 25
13%
(d) 30
During temperature inversion in atmosphere air pollutants tends to
Anonymous Quiz
26%
(a) Accumulate above inversion layer
56%
(b) Accumulate below inversion layer
12%
(c) Disperse laterally
6%
(d) Disperse vertically
👌1